CN117605278A - An intelligent side wall large steel formwork construction system and method - Google Patents
An intelligent side wall large steel formwork construction system and method Download PDFInfo
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- CN117605278A CN117605278A CN202311742265.4A CN202311742265A CN117605278A CN 117605278 A CN117605278 A CN 117605278A CN 202311742265 A CN202311742265 A CN 202311742265A CN 117605278 A CN117605278 A CN 117605278A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/06—Forming boards or similar elements the form surface being of metal
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- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
本发明公开一种智能化侧墙大钢模施工体系及方法，包括钢模板支撑三角桁架、纵向移动机构、横向伸缩式液压缸、纵向伸缩式液压缸、测量调控系统和荷载平衡系统；所述钢模板支撑三角桁架的钢模板由面板、竖向肋板和横向肋板组成，所述横向伸缩式液压缸设置在三角桁架底梁的伸缩梁上，横向伸缩式液压缸伸缩工作带动三角桁架移动，所述竖向伸缩式液压缸用以升降钢模板支撑三角桁架；所述纵向移动机构用以驱动三角桁架移动；所述测量调控系统对钢模板支撑三角桁架进行调整；所述荷载平衡系统用于平衡钢模板横向移动产生的力矩荷载，本发明可根据现场施工需要智能调节模板高度和垂直度，节约了人工调整的时间，安全性高。
The invention discloses an intelligent side wall large steel formwork construction system and method, which includes a steel formwork supporting triangular truss, a longitudinal moving mechanism, a transverse telescopic hydraulic cylinder, a longitudinal telescopic hydraulic cylinder, a measurement and control system and a load balancing system; The steel formwork supporting the triangular truss is composed of panels, vertical ribs and transverse ribs. The transverse telescopic hydraulic cylinder is installed on the telescopic beam of the bottom beam of the triangular truss. The telescopic work of the transverse telescopic hydraulic cylinder drives the movement of the triangular truss. , the vertical telescopic hydraulic cylinder is used to lift the steel formwork support triangular truss; the longitudinal moving mechanism is used to drive the triangular truss to move; the measurement and control system adjusts the steel formwork support triangular truss; the load balancing system is used to In order to balance the moment load generated by the lateral movement of the steel formwork, the present invention can intelligently adjust the height and verticality of the formwork according to on-site construction needs, saving manual adjustment time and ensuring high safety.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an intelligent side wall large steel mould construction system and method.
Background
In courtyard type buildings with office properties, 2 evacuation channels are generally required, in the existing buildings, most evacuation channels are reserved with open door openings or closed doors, the safety and privacy of courtyard owners cannot be guaranteed due to reserved open door openings, the closed doors are generally aluminum alloy doors, wooden doors, metal doors and the like, and the doors are independently arranged on courtyard walls and are inconsistent with the overall style of a Chinese courtyard, so that the overall appearance of the building is affected.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art and provides an intelligent side wall large steel mould construction system which comprises a steel mould supporting triangular truss, a longitudinal moving mechanism, a transverse telescopic hydraulic cylinder, a longitudinal telescopic hydraulic cylinder, a measurement regulation and control system and a load balancing system; the steel template of the steel template support triangular truss consists of a panel, vertical rib plates and transverse rib plates, the triangular truss of the steel template support triangular truss consists of channel steel, the right-angle side of the bottom of the triangular truss is a telescopic beam, a frame type ring beam is arranged at the bottom of the triangular truss, the telescopic beam and the frame type ring beam are reliably fixed by using high-strength bolts, a transverse telescopic hydraulic cylinder is arranged on the telescopic beam of the triangular truss bottom beam and is arranged in the vertical direction of the steel template, the end part of a piston rod of the transverse telescopic hydraulic cylinder is fixed with the triangular truss, the telescopic work of the transverse telescopic hydraulic cylinder drives the triangular truss to move, and the vertical telescopic hydraulic cylinder is positioned at four corners of the frame type ring beam and is used for lifting the steel template support triangular truss; the longitudinal moving mechanism comprises a driving motor, travelling wheels and a guide rail, wherein the guide rail is paved along the parallel direction of the side wall to be constructed, the driving motor is arranged at the bottom of the triangular truss and used for driving the triangular truss to move, and the travelling wheels are connected with the driving motor and are arranged in the guide rail; the measuring and regulating system controls the working strokes of the transverse telescopic hydraulic cylinder and the longitudinal telescopic hydraulic cylinder, and further adjusts the steel template supporting triangular truss, so that the requirements of the verticality and the spatial position of the steel template are met; the load balancing system is used for balancing moment load generated by transverse movement of the steel template and guaranteeing stability of the triangular truss.
Preferably, the steel templates are connected through high-strength bolts, and the steel templates are welded and fixed with the triangular truss.
Preferably, the measurement regulation and control system comprises a laser sensor, a control cabinet, a hydraulic pump and a displacement sensor, wherein the control cabinet is a preprogrammed controller, after the moving distance of two telescopic hydraulic cylinders is input, the hydraulic pump receives an instruction of the control cabinet to increase or decrease the pressure, and the hydraulic pump precisely controls the working stroke of the telescopic hydraulic cylinders (transverse and vertical) by combining the data feedback of the displacement sensor, so as to adjust the triangular truss of the steel template, the laser sensor is used for obtaining the relative positions of the upper end and the lower end of the steel template, the data is brought into a programming model, the specific value of the adjustment stroke of the telescopic hydraulic cylinders is obtained, and the value is led into the controller to realize the adjustment of the triangular truss of the steel template.
Preferably, the load balancing system comprises a pressing beam, a load box, a reservoir and a valve control system, wherein the pressing beam is arranged at the bottom of the triangular truss and far away from the steel template side, and is connected with the two triangular trusses; the load box is arranged on the pressure beam, water inlet/drain holes are formed in the side edge of the bottom of the load box, the water inlet/drain holes of adjacent load boxes can be connected and communicated with each other, the load boxes are connected with the reservoir through water pipes, and the load boxes work to inject or drain water into the load boxes through the valve control system.
Preferably, the valve control system comprises a displacement sensor, a control cabinet, a flowmeter and a valve in a measurement and control system, wherein the displacement sensor is arranged on a telescopic beam at the bottom of a triangular truss, the moving distance of the telescopic beam is transmitted to the control cabinet, and an analysis processing end performs analysis according to a load balance principle (KxG1 xL1=G2 xL2, G2=B x L x H x rho Water and its preparation method The method comprises the steps of carrying out a first treatment on the surface of the G1 is the weight of the large steel die at the end, and is known to manufacturers during manufacturing; l1 is a variable, and the numerical value is the distance from the large steel die at the end head to the first vertical telescopic hydraulic cylinder and is obtained by a displacement sensor; g2 is the weight of water in the water tank, and BxL x H is the volume of water in the water tank; l2 is the distance from the gravity center of the water tank to the first vertical telescopic hydraulic cylinder; k is a safety coefficient, preferably 1.1-1.25), calculating to obtain the load required by balancing the steel template, and carrying out load balancing by controlling the water content in the load box.
Preferably, the embedded part system comprises an embedded foundation bolt, a connecting nut, an outer connecting rod and a gasket, wherein the embedded foundation bolt is embedded in the same straight line parallel to the ground at the axillary angle part of the side wall, and the embedded angle is perpendicular to the axillary angle inclined plane; the top of the exposed end of the embedded foundation bolt is connected with an outer connecting rod through a sleeve, the other end of the outer connecting rod is reliably fixed with a pressing beam at the bottom of the vertical face of the steel template support through two sets of gaskets and connecting nuts, and the fixing sequence of the outer connecting rod and the pressing beam is that the connecting nuts, the gaskets, the pressing beam, the gaskets and the connecting nuts are arranged, so that the embedded part system can bear tensile stress and compressive stress.
Preferably, the bottom of the vertical telescopic hydraulic cylinder is welded with travelling wheels, and the top of the vertical telescopic hydraulic cylinder is reliably fixedly connected with the frame type ring beam.
An intelligent side wall large steel mould construction method comprises the following steps:
step one: embedding a buried part system: embedding foundation bolts in binding the structural plate steel bars according to the design position of the side wall of the station; after pouring and curing of the structural plate are completed, paving guide rails on the plate;
step two: assembling the steel template support truss;
step three: arranging longitudinal telescopic hydraulic cylinders at four corners of the ring beam, paving a frame-type ring beam on a guide rail, hanging and forking the assembled steel template supporting triangular truss onto the frame-type ring beam, and fixing a telescopic beam of a triangular truss bottom beam with a high-strength bolt of the frame-type ring beam; a transverse telescopic hydraulic cylinder is arranged on a telescopic beam of the triangular truss bottom beam and is arranged in the vertical direction of the steel template, and the output end of the transverse telescopic hydraulic cylinder is fixed with the triangular truss; a driving motor is arranged at the bottom of the triangular truss and is connected with the travelling wheels; the load box is mounted on the pressure beam and connected with a water pipe in parallel for water injection;
step four: starting a driving motor to drive a first steel template support truss to move a steel template support truss assembly working surface towards the far end of a side wall to be constructed;
step five: repeating the third step, and connecting two adjacent steel templates by high-strength bolts; starting a driving motor to drive the first steel template support truss and the second steel template support truss to move one steel template support truss assembly working surface towards the far end of the side wall to be constructed; every 4 triangular trusses are provided with a driving motor for driving the trusses to move; repeating the third step and the fourth step until the steel template support trusses are all arranged in place;
step six: jacking a vertical telescopic hydraulic cylinder, lifting a steel template supporting truss to a required height, and jacking a horizontal telescopic hydraulic cylinder to enable the steel template to reach the existing side wall pouring side line of the station, wherein water injection construction in a load box is required to be carried out synchronously at the moment so as to ensure front-back load balance; according to the monitoring condition, finely adjusting the verticality of the steel template, and connecting and fastening foundation bolts pre-buried at the axillary angle position of the station board with the pressing beam at the bottom of the triangular truss after finishing;
step seven: after the concrete pouring of the side wall is finished and the strength is reached, firstly, the transverse telescopic hydraulic cylinder is retracted, at the moment, the water drainage work in the load box is synchronously carried out, then, the vertical telescopic hydraulic cylinder is retracted, the construction of the side wall is completed, the driving motor is started, the steel formwork support truss is moved to the next construction area, when the cross section of the side wall or the size of an axillary angle is changed, the position of the steel formwork is adjusted by adjusting the jack distance of the longitudinal hydraulic jack and the transverse hydraulic jack, and the position of the large steel formwork is enabled to meet the design requirement by matching with the measuring and regulating system.
Compared with the prior art, the invention has the beneficial effects that:
1. the transportation and installation are relatively simple, the integrity is good, and the method is biased to the field construction operation;
2. the material can be recycled after one-time manufacture, has good economy and saves resources;
3. the position of the steel template can be adjusted through a transverse/vertical telescopic hydraulic cylinder, so that the construction adaptability to side walls with variable cross sections, high and large axillary angles and the like is strong, and the difficulty of site construction is solved;
4. the height and the perpendicularity of the template can be intelligently adjusted according to the site construction requirement, so that the time for manual adjustment is saved, and the safety is high.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of an intelligent formwork support system;
FIG. 2 is a schematic view of a steel form construction;
FIG. 3 is a schematic plan view of a formwork support system;
FIG. 4 is a schematic view of a burial system configuration;
FIG. 5 is a simplified load balancing system calculation;
fig. 6 is a schematic view of the construction process flow of the present invention.
In the figure: 1-panel, 3-vertical rib plate, 4-transverse rib plate, 5-embedded part system, 6-triangular truss, 7-compression beam, 8-telescopic beam, 9-transverse telescopic hydraulic cylinder, 10-vertical telescopic hydraulic cylinder, 11-hydraulic pump, 12-control cabinet, 13-load box, 15-laser sensor, 16-driving motor, 17-outer connecting rod, 18-connecting nut, 19-gasket, 20-sleeve, 21-embedded foundation bolt, 22-walking wheel, 23-frame type ring beam, 24-reservoir, 25-water pipe and 26-guide rail.
Detailed Description
The technical scheme of the invention is described in detail below through the drawings, but the protection scope of the invention is not limited to the embodiments.
Referring to figures 1 to 6, the intelligent side wall large steel mould construction system takes the side wall construction of a certain subway station in Nanjing as an example, the main body of the certain subway station in Nanjing is arranged into an underground 2-layer 9m island type platform, the structure is in the form of an underground two-layer non-column/single-column double-column three-span box structure, the side wall thickness of an underground two-layer end well section is 800mm, the side wall thicknesses of a single-column section and a double-column section are 700mm, and the side wall thickness of a non-column section is 900mm; the thickness of the underground one-layer end well section side wall is 800mm, the thickness of the single column section side wall and the double column section side wall is 600mm, and the thickness of the non-column section side wall is 900mm. The side wall bottom armpit angle size is 900mm x 600mm (width x height). In order to safely and efficiently finish the construction of the side wall, the invention uses an intelligent construction system and method for the large steel mould of the side wall.
The invention comprises a steel template supporting triangular truss, a longitudinal moving mechanism, a transverse telescopic hydraulic cylinder 9, a vertical telescopic hydraulic cylinder 10, a measurement and regulation system and a load balancing system, wherein displacement sensors are arranged on the two telescopic hydraulic cylinders.
The steel template of the steel template supporting triangular truss consists of a panel 1 with the thickness of 6mm, a vertical rib plate 3 (10 # channel steel) and a transverse rib plate 4 (double-spliced 14# channel steel), wherein the width of the steel template is 1.5m, the height of the steel template is 5.9m, the triangular truss 6 consists of double-spliced 14# channel steel and 10# channel steel, the right-angle side of the bottom of the triangular truss 6 of the steel template supporting triangular truss is a telescopic beam 8, the bottom of the triangular truss 6 is provided with a frame type ring beam 23 (16 # channel steel), and the length of the frame type ring beam 23 is 1.5m, and the width of the frame type ring beam is 2.9m; the telescopic beam 8 and the frame type ring beam 23 are reliably fixed by using high-strength bolts (T56X 6X 600 mm), the transverse telescopic hydraulic cylinder 9 is arranged on the telescopic beam 8 of the bottom beam of the triangular truss 6 and is arranged in the vertical direction with the steel template, the end part of a piston rod of the transverse telescopic hydraulic cylinder is fixed with the triangular truss 6, the telescopic operation of the transverse telescopic hydraulic cylinder 9 can drive the triangular truss 6 to move, and the vertical telescopic hydraulic cylinder 10 is positioned at four corners of the frame type ring beam 23 and is used for lifting the steel template to support the triangular truss.
The longitudinal moving mechanism comprises a driving motor 16, travelling wheels 22 and guide rails 26, wherein the guide rails 26 are paved on a plate along the parallel direction of a side wall to be constructed, the driving motor 16 is arranged at the bottom of the triangular truss 6, and each 4 triangular trusses 6 is provided with one driving motor 16 for driving the triangular truss 6 to move (the arrangement quantity of the specific driving motors 16 can be adjusted according to the load and the performance parameters of the driving motors 16); the road wheels 22 are coupled to the drive motor 16 and are disposed within the guide rails 26.
The steel templates are connected through high-strength bolts, and the steel templates are welded and fixed with the triangular truss 6.
The measuring and regulating system comprises a laser sensor 15, a control cabinet 12, a hydraulic pump 11, a telescopic hydraulic cylinder (transverse and vertical) and a displacement sensor, wherein the control cabinet 12 is a preprogrammed controller (the Siemens 224XPPLC controller is used for the project and is connected with a computer, the computer is preprogrammed, collected and input data are operated and then output instructions are used as a control center of the whole intelligent construction system), after the moving distance of the telescopic hydraulic cylinder (transverse and vertical) is input, the hydraulic pump 11 (the project uses a PLC synchronous system and four synchronous/two synchronous systems) receives the instructions of the control cabinet 12 to increase or decrease the pressure, and the data feedback of the displacement sensor (the pull rod type linear resistance ruler is used for the project) is combined to precisely control the working stroke of the telescopic hydraulic cylinder (transverse and vertical), so that the steel template supporting triangular truss is regulated. After a large steel mould is initially placed in place, a laser sensor 15 (485+ industrial USB ADCII type laser sensor 15 is used in the engineering, analog quantity and switching quantity output can be carried out through PLC programming networking) is used for obtaining the relative positions of the upper end and the lower end of the steel mould plate, data are brought into a programming model (the bottom of a wall surface on the joint side of the steel mould plate is taken as an origin, the size of a steel mould frame is known, x and y coordinates of the other two vertexes of the triangular steel mould plate frame can be obtained), the measured data are compared with design theoretical data, a regulation and control system is started when the difference value exceeds a design allowance error value, the measured data and the x coordinate and the y coordinate of the design theoretical data are subtracted respectively to obtain an offset value, namely a specific value of a telescopic hydraulic cylinder regulation stroke is obtained, and the specific value of the telescopic hydraulic cylinder regulation stroke is led into the controller to further realize regulation of the triangular steel mould plate support truss, and therefore the requirements of the verticality and the spatial position of the steel mould plate are met.
The load balancing system comprises a pressure beam 7, a load box 13, a reservoir 24 and a valve control system. The load balancing system is a dynamic balancing system, 70% -80% of the weight of the steel template truss is concentrated at the end steel template, the triangular truss 6 is overturned when the steel template moves transversely, and moment load generated by the transverse movement of the steel template is balanced through the load balancing system, so that the triangular truss 6 is ensured to be stable. The pressing beam 7 (12 # channel steel) is arranged at the bottom of the triangular truss 6 and far away from the steel template side, and is connected with the two triangular trusses 6; the load boxes 13 are arranged on the press beams 7, water inlet/drain holes are formed in the side edges of the bottoms of the load boxes 13, the water inlet/drain holes of adjacent load boxes 13 can be mutually connected and communicated, the load boxes 13 are connected with the reservoir 24 through a water pipe 25, and the load boxes 13 are operated through a valve control system to inject or drain water into the load boxes 13; the valve control system comprises a displacement sensor, a background processing data analysis processing end (a control cabinet 12), a flowmeter and a valve, wherein the displacement sensor is arranged on a telescopic beam 8 at the bottom of a triangular truss 6, the moving distance of the telescopic beam 8 is transmitted to the control cabinet 12, the analysis processing end calculates the load required by a balanced steel template according to a load balancing principle (KxG1 xL1=G2 xL2, G2=BxLxH2xρ water; G1 is the weight of the end large steel template, known by manufacturers, L1 is a variable, the value is the distance from the end large steel template to a first vertical telescopic hydraulic cylinder 10 and is obtained by the displacement sensor, G2 is the weight of water in a water tank, bxLxH is the volume of water in the water tank, L2 is the distance from the center of gravity of the water tank to the first vertical telescopic hydraulic cylinder 10, K is a safety coefficient, and 1.1-1.25 are preferably adopted to calculate the load required by the balanced steel template, and the water amount in a load tank 13 is controlled to balance the load; when the size of the load box 13 is designed, the moment load generated when the steel template transversely moves to the maximum travel is multiplied by the safety coefficient to be used as a load balance design value, and the full-load weight load of the load box 13 is not less than the load balance design value.
The embedded part system 5 is improved, the embedded part system 5 comprises embedded foundation bolts 21, connecting nuts 18, an outer connecting rod 17 and gaskets 19, the embedded foundation bolts 21 (with the diameter of 25 mm) are embedded in the same straight line parallel to the ground at the axillary angle position of the side wall, the embedded angle is perpendicular to the axillary angle inclined plane, and the embedded position and the embedded distance are calculated and determined according to the actual axillary angle size and the supporting stress of the side wall large steel template; the top of the exposed end of the embedded foundation bolt 21 is connected with the outer connecting rod 17 through the sleeve 20, the other end of the outer connecting rod 17 is reliably fixed with the pressing beam 7 at the bottom of the end elevation of the formwork support through two sets of gaskets 19 and connecting nuts 18, and the fixing sequence of the outer connecting rod 17 and the pressing beam 7 is that the connecting nuts 18, the gaskets 19, the pressing beam 7, the gaskets 19 and the connecting nuts 18 are arranged, so that the embedded part system 5 can bear tensile stress and compressive stress.
As an improvement, the bottom of the vertical telescopic hydraulic cylinder 10 is welded with a travelling wheel 22, and the top of the vertical telescopic hydraulic cylinder 10 is reliably fixedly connected with a frame type ring beam 23.
The construction method of the intelligent side wall large steel mould comprises the following steps:
step one, embedding a part embedding system 5: embedding foundation bolts 21 in binding the structural plate steel bars according to the design position of the side wall of the station; after the construction panel is poured and cured, rails 26 are laid on the panel.
Step two, splicing the steel template support truss, and taking construction safety and convenience into consideration, manufacturing and forming by manufacturers at one time; after the steel template supporting truss is transported to a construction site, the quality and technical parameters of the product are checked, and the steel template supporting truss can be put into use after meeting the requirements.
Arranging longitudinal telescopic hydraulic cylinders at four corners of the ring beam, paving a frame-type ring beam 23 on a guide rail 26, hanging and forking the assembled steel template support truss onto the frame-type ring beam 23, and fixing a telescopic beam 8 of a bottom beam of a triangular truss 6 and the frame-type ring beam 23 by high-strength bolts; a transverse telescopic hydraulic cylinder 9 is arranged on a telescopic beam 8 of a bottom beam of the triangular truss 6 and is arranged in the vertical direction with the steel template, and the output end of the transverse telescopic hydraulic cylinder is fixed with the triangular truss 6; the bottom of the triangular truss 6 is provided with a driving motor 16 and is connected with a travelling wheel 22; the load box 13 is mounted on the press beam 7 and connected with the water pipe 25 for water injection, so that the steel template support truss is balanced.
And fourthly, starting a driving motor 16 to drive the first steel template support truss to move a steel template support truss assembly working surface towards the far end of the side wall to be constructed.
Step five, repeating the step three, and connecting two adjacent steel templates by using high-strength bolts; starting a driving motor 16 to drive the first steel template support truss and the second steel template support truss to move a steel template support truss assembly working surface towards the far end of the side wall to be constructed; a driving motor 16 is arranged on each 4 triangular trusses 6 and is used for driving the trusses to move; and repeating the third step and the fourth step until the steel template support trusses are all arranged in place.
Step six, jacking the vertical telescopic hydraulic cylinder 10, lifting the steel template support truss to a required height, and jacking the horizontal telescopic hydraulic cylinder 9 to enable the steel template to reach the existing station side wall pouring edge, wherein water injection construction in the load box 13 is required to be synchronously carried out at the moment so as to ensure front-back load balance; and (3) fine adjusting the verticality of the steel template according to the monitoring condition, and connecting and fastening the foundation bolts pre-buried at the axillary angle position of the station template with the pressing beam 7 at the bottom of the triangular truss 6 after finishing.
And step seven, after the concrete pouring of the side wall is finished and the strength is reached, firstly retracting the transverse telescopic hydraulic cylinder 9, synchronously draining in the load box 13 at the moment, then retracting the vertical telescopic hydraulic cylinder 10, completing the construction of the side wall, starting the driving motor 16, and moving the steel template support truss to the next construction area. When the cross section of the side wall or the axillary angle is changed, the position of the steel template can be adjusted by adjusting the jacking distance of the longitudinal hydraulic jack and the transverse hydraulic jack, and the position of the large steel template can meet the design requirement by matching with a measuring and regulating system.
As above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. An intelligent side wall large steel mould construction system which is characterized in that: the device comprises a steel template supporting triangular truss, a longitudinal moving mechanism, a transverse telescopic hydraulic cylinder, a longitudinal telescopic hydraulic cylinder, a measurement regulation and control system and a load balancing system; the steel template of the steel template support triangular truss consists of a panel, vertical rib plates and transverse rib plates, the triangular truss of the steel template support triangular truss consists of channel steel, the right-angle side of the bottom of the triangular truss is a telescopic beam, a frame type ring beam is arranged at the bottom of the triangular truss, the telescopic beam and the frame type ring beam are reliably fixed by using high-strength bolts, a transverse telescopic hydraulic cylinder is arranged on the telescopic beam of the triangular truss bottom beam and is arranged in the vertical direction of the steel template, the end part of a piston rod of the transverse telescopic hydraulic cylinder is fixed with the triangular truss, the telescopic work of the transverse telescopic hydraulic cylinder drives the triangular truss to move, and the vertical telescopic hydraulic cylinder is positioned at four corners of the frame type ring beam and is used for lifting the steel template support triangular truss; the longitudinal moving mechanism comprises a driving motor, travelling wheels and a guide rail, wherein the guide rail is paved along the parallel direction of the side wall to be constructed, the driving motor is arranged at the bottom of the triangular truss and used for driving the triangular truss to move, and the travelling wheels are connected with the driving motor and are arranged in the guide rail; the measuring and regulating system controls the working strokes of the transverse telescopic hydraulic cylinder and the longitudinal telescopic hydraulic cylinder, and further adjusts the steel template supporting triangular truss, so that the requirements of the verticality and the spatial position of the steel template are met; the load balancing system is used for balancing moment load generated by transverse movement of the steel template and guaranteeing stability of the triangular truss.
2. The intelligent side wall large steel mould construction system according to claim 1, wherein: the steel templates are connected through high-strength bolts, and the steel templates are welded and fixed with the triangular truss.
3. The intelligent side wall large steel mould construction system according to claim 2, wherein: the measuring regulation and control system comprises a laser sensor, a control cabinet, a hydraulic pump and a displacement sensor, wherein the control cabinet is a preprogrammed controller, after the moving distance of two telescopic hydraulic cylinders is input, the hydraulic pump receives instructions of the control cabinet to increase or decrease the pressure, and the hydraulic pump accurately controls the working stroke of the telescopic hydraulic cylinders (transversely and vertically) by combining data feedback of the displacement sensor, so as to adjust the triangular truss of the steel template, the laser sensor is used for obtaining the relative positions of the upper end and the lower end of the steel template, the data is brought into a programming model, a specific value of the adjustment stroke of the telescopic hydraulic cylinders is obtained, and the specific value is led into the controller to further realize the adjustment of the triangular truss of the steel template.
4. The intelligent side wall large steel mould construction system according to claim 3, wherein: the load balancing system comprises a pressing beam, a load box, a reservoir and a valve control system, wherein the pressing beam is arranged at the bottom of the triangular truss and far away from the steel template side, and is connected with the two triangular trusses; the load box is arranged on the pressure beam, water inlet/drain holes are formed in the side edge of the bottom of the load box, the water inlet/drain holes of adjacent load boxes can be connected and communicated with each other, the load boxes are connected with the reservoir through water pipes, and the load boxes work to inject or drain water into the load boxes through the valve control system.
5. The intelligent side wall large steel mould construction system according to claim 4, wherein: the valve control system comprises a displacement sensor, a control cabinet, a flowmeter and a valve in a measurement and control system, wherein the displacement sensor is arranged on a telescopic beam at the bottom of a triangular truss, the moving distance of the telescopic beam is transmitted to the control cabinet, and an analysis processing end performs analysis according to a load balance principle (KxG1 xL1=G2 xL2, G2=B xLxHxρ) Water and its preparation method The method comprises the steps of carrying out a first treatment on the surface of the G1 is the weight of the large steel die at the end, and is known to manufacturers during manufacturing; l1 is a variable, and the numerical value is the distance from the large steel die at the end head to the first vertical telescopic hydraulic cylinder and is obtained by a displacement sensor; g2 is the weight of water in the water tank, and BxL x H is the volume of water in the water tank; l2 is the distance from the gravity center of the water tank to the first vertical telescopic hydraulic cylinder; k is a safety coefficient, preferably 1.1-1.25), calculating to obtain the load required by balancing the steel template, and carrying out load balancing by controlling the water content in the load box.
6. The intelligent side wall large steel mould construction system according to claim 5, wherein: the embedded part system comprises embedded foundation bolts, connecting nuts, an outer connecting rod and a gasket, wherein the embedded foundation bolts are embedded in the same straight line parallel to the ground at the axillary angle part of the side wall, and the embedded angle is perpendicular to the axillary angle inclined plane; the top of the exposed end of the embedded foundation bolt is connected with an outer connecting rod through a sleeve, the other end of the outer connecting rod is reliably fixed with a pressing beam at the bottom of the vertical face of the steel template support through two sets of gaskets and connecting nuts, and the fixing sequence of the outer connecting rod and the pressing beam is that the connecting nuts, the gaskets, the pressing beam, the gaskets and the connecting nuts are arranged, so that the embedded part system can bear tensile stress and compressive stress.
7. The intelligent side wall large steel mould construction system according to claim 6, wherein: the bottom of the vertical telescopic hydraulic cylinder is welded with travelling wheels, and the top of the vertical telescopic hydraulic cylinder is reliably fixedly connected with the frame type ring beam.
8. The intelligent side wall large steel mould construction method is characterized by comprising the following steps of:
step one: embedding a buried part system: embedding foundation bolts in binding the structural plate steel bars according to the design position of the side wall of the station; after pouring and curing of the structural plate are completed, paving guide rails on the plate;
step two: assembling the steel template support truss;
step three: arranging longitudinal telescopic hydraulic cylinders at four corners of the ring beam, paving a frame-type ring beam on a guide rail, hanging and forking the assembled steel template supporting triangular truss onto the frame-type ring beam, and fixing a telescopic beam of a triangular truss bottom beam with a high-strength bolt of the frame-type ring beam; a transverse telescopic hydraulic cylinder is arranged on a telescopic beam of the triangular truss bottom beam and is arranged in the vertical direction of the steel template, and the output end of the transverse telescopic hydraulic cylinder is fixed with the triangular truss; a driving motor is arranged at the bottom of the triangular truss and is connected with the travelling wheels; the load box is mounted on the pressure beam and connected with a water pipe in parallel for water injection;
step four: starting a driving motor to drive a first steel template support truss to move a steel template support truss assembly working surface towards the far end of a side wall to be constructed;
step five: repeating the third step, and connecting two adjacent steel templates by high-strength bolts; starting a driving motor to drive the first steel template support truss and the second steel template support truss to move one steel template support truss assembly working surface towards the far end of the side wall to be constructed; every 4 triangular trusses are provided with a driving motor for driving the trusses to move; repeating the third step and the fourth step until the steel template support trusses are all arranged in place;
step six: jacking a vertical telescopic hydraulic cylinder, lifting a steel template supporting truss to a required height, and jacking a horizontal telescopic hydraulic cylinder to enable the steel template to reach the existing side wall pouring side line of the station, wherein water injection construction in a load box is required to be carried out synchronously at the moment so as to ensure front-back load balance; according to the monitoring condition, finely adjusting the verticality of the steel template, and connecting and fastening foundation bolts pre-buried at the axillary angle position of the station board with the pressing beam at the bottom of the triangular truss after finishing;
step seven: after the concrete pouring of the side wall is finished and the strength is reached, firstly, the transverse telescopic hydraulic cylinder is retracted, at the moment, the water drainage work in the load box is synchronously carried out, then, the vertical telescopic hydraulic cylinder is retracted, the construction of the side wall is completed, the driving motor is started, the steel formwork support truss is moved to the next construction area, when the cross section of the side wall or the size of an axillary angle is changed, the position of the steel formwork is adjusted by adjusting the jack distance of the longitudinal hydraulic jack and the transverse hydraulic jack, and the position of the large steel formwork is enabled to meet the design requirement by matching with the measuring and regulating system.
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| CN206204995U (en) * | 2015-12-24 | 2017-05-31 | 中铁十四局集团有限公司 | The tall and big side wall one side formwork erection of open trench tunnel agent structure |
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